Massage roller



FIG. 1 is a perspective view of a massage roller showing my new design, the massage roller being symmetrical about its longitudinal axis;

FIG. 2 is a side elevational view of the side shown, the opposite side being a mirror image thereof; and

FIG. 3 is an end view thereof from the end opposite that shown in FIG. 1. 

The ornamental design for a massage roller, as shown and described. 